This circuit makes use of a constant current source to control the temperature of a direct current heating element. The integrated circuit must be mounted on a heat sink.
This configuration can be found at several points in this section. This was obtained in an old...
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
We find this circuit in a 1980s documentation. The circuit is for SSB modulation and the...